About this eBook

PREFACE CBSE always believe in Global Trends of Educational Transformation. The CBSE curriculum gets its lead from National Curriculum Framework 2005 and Right to Free and Compulsory Education Act 2009. As said by John Holt We learn to do something by doing it. There is no other way is very true and this is the reason why CBSE has incorporated Laboratory Practicals as a part of curriculum of class 6 to 8, so that students can perform what they learn in their classrooms. The Laboratory Manuals for Classes 6 to 8 have been developed so as to supplement the need of the students to prepare for laboratory work project work and learn concepts in with more accuracy and depth. This Laboratory Manuals include all Projects, Activities and Experiments as specified in latest CBSE curriculum. At the end of every activity Viva Voce questions have been given for extra practice. Projects have been added to facilitate collective efforts and extension of learning to real life. Some brain teasers have also been added with answers and hints for practice. These books are strictly according to the latest CBSE guidelines, and contain more than sufficient Viva Voce questions, which help students in practicing and completing the Laboratory work. All activities and experiments are always checked twice. Since we believe in continuous improvement, hence this book has been written with accuracy as well as updated as per CBSE guidelines and reviewed at different tiers by panel of experts. We are sure that this book will serve as a perfect teaching guide for the teachers and a wholesome Laboratory Manual for the students. It is expected that they will take full advantage of our knowledge and experience. At last we would like to thank our authors, editors, reviewers and specially students who regularly send us suggestions which helps in continuous improvement of this book and makes this book stand in the category of One of the Best . Wish you all Happy Learning. Publisher vi Record of the Activities Projects performed Sr. No. Activity Project vii Date Page Remarks No. Signature Sr. No. Activity Project viii

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